Appendix A. Pinouts

Table A-3. V.35 Interface Card Pin Assignments

Pin

CCITT

Description

A

101

Protective Ground (PG)

B

102

Signal Ground (SG)

C

105

Request to Send (RTS)

D

106

Clear to Send (CTS)

E

107

Data Set Ready

F

109

Received Line Signal Detector (CD)

H

-

Data Terminal Ready (DTR)

J

-

not used

L

-

Local Loopback (LL)

N

-

Remote Loopback (RL)

R

104

Received Data (RD-A)

T

104

Received Data (RD-B)

V

115

Receiver Signal Element Timing (SCR-A)

X

115

Receiver Signal Element Timing (SCR-B)

P

103

Transmitted Data (SD-A)

S

103

Transmitted Data (SD-B)

Y

114

Transmitter Signal Element Timing (SCT-A)

AA

114

Transmitter Signal Element Timing (SCT-B)

U

113

External TX Signal Element (SCX-A)

W

113

External TX Signal Element (SCX-B)

NN

-

Test Indicator (TI)

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T3SU 300 User Manual

A-3

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Image 95
ADTRAN T3SU 300 user manual Table A-3. V.35 Interface Card Pin Assignments, Ccitt